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Audio processing via BF533

Question asked by avinashj17 on Sep 25, 2013
Latest reply on Oct 21, 2013 by gvasanth

I have an array of recorded samples stored in unsigned integer format 16-bit, When I tried to implement a DC filter using the difference equation i.e; y[n] = x[n] - x[n-1] + 0.91*y[n-1] where y[n] is the processed output that need to be played. But when I played back the processed data (y[]) there was a lot of noise. I don't understand why the noise is coming. Could you help me out with it.

Thankyou

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